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SP7616

Part Number	SP7616
Manufacturer	Sipex Corporation
Description	High Accuracy 4-Channel Low Side LED Driver
Published	Aug 27, 2007
Detailed Description	www.DataSheet4U.com - SP7616 High Accuracy 4-Channel Low Side LED Driver for CCFL Replacement FEATURES Wide 4.5V to 3...
Datasheet	SP7616 PDF File

Overview

www.
DataSheet4U.
com - SP7616 High Accuracy 4-Channel Low Side LED Driver for CCFL Replacement FEATURES Wide 4.
5V to 30V operating range 60mA LED current per channel 1.
5% channel to channel current matching Analog Dimming control PWM operation up to 5kHz with 10% Duty Cycle Low dropout: 150mV @ 20mA Built-in Over Temperature Protection Lead Free, RoHS Compliant Packaging: Small 2X3mm DFN Connect heat sink pad to GND DESCRIPTION The SP7616 is a 30V 4-Channel linear low side LED driver.
It is capable of powering up to four LED strings of nine LEDs @ 60mA per string for a total of 36 LEDs with 1.
5% typical current matching between channels.
The desired LED current can be adjusted with an external resistor, and the precision string-to-string current matching ensures consistent color temperature across the whole display.
The device also features very low dropout voltage to maximize system efficiency and avoid difficult thermal design constraints.
Dimming can be achieved by feeding a PWM signal to the PWM pin, or use an analog signal to control the ISET current, this allows brightness control without unwanted color shifts.
Fast LED current turn-on/off time allows up to 5 kHz PWM dimming frequencies with as low as 10% duty cycle, completely eliminating flicker.
The built-in thermal protection prevents damage to the device under fault conditions.
TYPICAL APPLICATION CIRCUIT RSET Mar 22-07 RevD SP7616: Low Side LED Driver - -  2007 Sipex Corporation 1 ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied.
Exposure to absolute maximum rating conditions for extended period of time may affect reliability.
VIN……….
…………………………………….
…-0.
3V to 32V LED1, LED2, LED3, LED4 …………….
.
….
.
.
-0.
3V to 32V ISET, PWM ….
.
………………….
.
………….
.
-0.
3V to 6.
0V Storage Temperature.
.
…………………… -65 °C to 150 °C Junction Temperature.
.
.
...

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